AT89LP52-20PU Atmel, AT89LP52-20PU Datasheet - Page 21
AT89LP52-20PU
Manufacturer Part Number
AT89LP52-20PU
Description
IC MCU 8051 8K FLASH SPI 40PDIP
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP52-20MU.pdf
(113 pages)
Specifications of AT89LP52-20PU
Core Processor
8051
Core Size
8-Bit
Speed
20MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
Serial
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
36
Number Of Timers
3
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
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3709B–MICRO–12/10
Figure 3-16. MOVX with One Wait State (WS = 01B)
Figure 3-17. MOVX with Two Wait States (WS = 10B)
Figure 3-18. MOVX with Three Wait States (WS = 11B)
CLK
ALE
CLK
ALE
CLK
ALE
WR
WR
WR
RD
RD
RD
P2
P0
P0
P2
P0
P0
P2
P0
P0
P2 SFR
P0 SFR
P0 SFR
P2 SFR
P0 SFR
P0 SFR
P2 SFR
P0 SFR
P0 SFR
S1
S1
S1
DPL OUT
DPL OUT
DPL OUT
DPL OUT
DPL OUT
DPL OUT
S2
S2
S2
S3
S3
S3
DPH or P2 OUT
DPH or P2 OUT
DATA OUT
FLOAT
W1
W1
W1
DPH or P2 OUT
DATA OUT
FLOAT
DATA OUT
FLOAT
W2
W2
S4
AT89LP51/52 - Preliminary
P2 SFR
P0 SFR
P0 SFR
W3
S4
P2 SFR
P0 SFR
P0 SFR
S4
P2 SFR
P0 SFR
P0 SFR
21
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